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Article: Wrist joint moments of walker-assisted gait: A study of biomechanics and instrumentation

TitleWrist joint moments of walker-assisted gait: A study of biomechanics and instrumentation
Authors
KeywordsDynamometer
Gait
Index Terms-Walker
Phase Angle
Strain Gauge
Wrist Joint Moments
Issue Date2007
Citation
Yi Qi Yi Biao Xue Bao/Chinese Journal Of Scientific Instrument, 2007, v. 28 n. 9, p. 1537-1542 How to Cite?
AbstractWhile walkers are commonly prescribed to improve patient stability and ambulatory ability, quantitative study of the biomechanical and functional requirements for effective walker use is limited. To investigate the changes in wrist joint moments that occur with the use of a standard walker, a strain gauge-based walker instrumentation system was developed for the measurement of wrist joint moments. This walker dynamometer was integrated with an upper extremity biomechanical model. Preliminary system data were collected for twelve healthy, right-handed young adults following informed consent. Bilateral upper extremity kinematic data were acquired with a six-camera motion analysis system. Internal joint moments at the wrist were determined in the three clinical planes using the inverse dynamics method. Results showed that during a walker-assisted gait there were several typical demands of wrist abductor, adductor, flexor and external rotator. An interesting 'bare phase' of wrist joint moments was also found in phase angle [-30°, 30°] of gait cycle. Complete description of wrist joint moments during walker-assisted gait may provide insight into walker use parameters and rehabilitative strategies.
Persistent Identifierhttp://hdl.handle.net/10722/170118
ISSN
2015 SCImago Journal Rankings: 0.322

 

DC FieldValueLanguage
dc.contributor.authorMing, Den_US
dc.contributor.authorWang, Wen_US
dc.contributor.authorWan, Ben_US
dc.contributor.authorHu, Yen_US
dc.date.accessioned2012-10-30T06:05:26Z-
dc.date.available2012-10-30T06:05:26Z-
dc.date.issued2007en_US
dc.identifier.citationYi Qi Yi Biao Xue Bao/Chinese Journal Of Scientific Instrument, 2007, v. 28 n. 9, p. 1537-1542en_US
dc.identifier.issn0254-3087en_US
dc.identifier.urihttp://hdl.handle.net/10722/170118-
dc.description.abstractWhile walkers are commonly prescribed to improve patient stability and ambulatory ability, quantitative study of the biomechanical and functional requirements for effective walker use is limited. To investigate the changes in wrist joint moments that occur with the use of a standard walker, a strain gauge-based walker instrumentation system was developed for the measurement of wrist joint moments. This walker dynamometer was integrated with an upper extremity biomechanical model. Preliminary system data were collected for twelve healthy, right-handed young adults following informed consent. Bilateral upper extremity kinematic data were acquired with a six-camera motion analysis system. Internal joint moments at the wrist were determined in the three clinical planes using the inverse dynamics method. Results showed that during a walker-assisted gait there were several typical demands of wrist abductor, adductor, flexor and external rotator. An interesting 'bare phase' of wrist joint moments was also found in phase angle [-30°, 30°] of gait cycle. Complete description of wrist joint moments during walker-assisted gait may provide insight into walker use parameters and rehabilitative strategies.en_US
dc.languageengen_US
dc.relation.ispartofYi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrumenten_US
dc.subjectDynamometeren_US
dc.subjectGaiten_US
dc.subjectIndex Terms-Walkeren_US
dc.subjectPhase Angleen_US
dc.subjectStrain Gaugeen_US
dc.subjectWrist Joint Momentsen_US
dc.titleWrist joint moments of walker-assisted gait: A study of biomechanics and instrumentationen_US
dc.typeArticleen_US
dc.identifier.emailHu, Y:yhud@hku.hken_US
dc.identifier.authorityHu, Y=rp00432en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-35548969932en_US
dc.identifier.volume28en_US
dc.identifier.issue9en_US
dc.identifier.spage1537en_US
dc.identifier.epage1542en_US
dc.identifier.scopusauthoridMing, D=9745824400en_US
dc.identifier.scopusauthoridWang, W=7501755807en_US
dc.identifier.scopusauthoridWan, B=7102316798en_US
dc.identifier.scopusauthoridHu, Y=7407116091en_US

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